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Inventories (Details) - ZAR (R)
R in Millions
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Inventories      
Crude oil and other raw materials R 4,269 R 3,513  
Process material 1,834 1,868  
Maintenance materials 5,585 6,376  
Work in progress 2,560 2,108  
Manufactured products 15,315 13,681  
Consignment inventory 179 255  
Total inventories R 29,742 R 27,801 R 29,646